loongson/pypi: links for feynman

loongson/mirror feynman-2.1.1.tar.gz
loongson/mirror feynman-2.1.0.tar.gz
loongson/mirror feynman-2.1.0-py3-none-any.whl
loongson/mirror feynman-2.0.5-py3.9.egg
loongson/mirror feynman-2.0.4-py3.9.egg
loongson/mirror feynman-2.0.2.tar.gz
loongson/mirror feynman-2.0.2-py3.6.egg
loongson/mirror feynman-2.0.2-py2.7.egg